CVE-2012-2162 in WebSphere Application Server
Summary
by MITRE
The Web Server Plug-in in IBM WebSphere Application Server (WAS) 8.0 and earlier uses unencrypted HTTP communication after expiration of the plugin-key.kdb password, which allows remote attackers to obtain sensitive information by sniffing the network, or spoof arbitrary servers via a man-in-the-middle attack.
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Analysis
by VulDB Data Team • 01/02/2025
The vulnerability identified as CVE-2012-2162 affects IBM WebSphere Application Server versions 8.0 and earlier, specifically within the Web Server Plug-in component. This issue represents a critical security flaw that undermines the integrity and confidentiality of communications between the web server and the application server. The vulnerability stems from the improper handling of authentication credentials after the expiration of the plugin-key.kdb password, creating a window of opportunity for malicious actors to exploit the system. The Web Server Plug-in serves as a crucial bridge between the web server and the application server, facilitating secure communication and load balancing across distributed applications.
The technical flaw manifests when the plugin-key.kdb password expires, causing the system to fall back to unencrypted HTTP communication instead of maintaining the secure HTTPS connection. This transition occurs without proper authentication verification, leaving the communication channel vulnerable to passive network monitoring. Attackers can leverage this weakness through network sniffing techniques to capture sensitive information transmitted between the web server and application server. The vulnerability is particularly concerning because it operates at the transport layer, where data is typically protected by encryption protocols. According to CWE classification, this vulnerability maps to CWE-310, which addresses cryptographic weaknesses and improper handling of encryption keys. The flaw essentially creates a cryptographic failure that exposes sensitive data to unauthorized access.
The operational impact of this vulnerability extends beyond simple information disclosure, as it enables sophisticated man-in-the-middle attacks that can compromise the entire application ecosystem. Remote attackers can not only intercept sensitive data such as session tokens, user credentials, and application-specific information but also impersonate legitimate servers within the network. This capability allows adversaries to manipulate communications, inject malicious content, or redirect users to fraudulent websites. The attack surface is particularly broad given that WebSphere Application Server is widely deployed in enterprise environments where sensitive business data and user information are routinely processed. Organizations using this vulnerable software face significant risks including data breaches, regulatory compliance violations, and potential financial losses due to compromised systems. The vulnerability aligns with ATT&CK technique T1046, which covers network service scanning and T1190, which involves exploitation of remote services.
Mitigation strategies for CVE-2012-2162 require immediate attention and comprehensive implementation across affected environments. Organizations should prioritize updating to IBM WebSphere Application Server versions that address this vulnerability, as IBM released patches and fixes specifically targeting this issue. System administrators must implement proper password rotation policies and ensure that plugin-key.kdb password changes are handled securely without falling back to unencrypted communication. Network security controls including intrusion detection systems and deep packet inspection capabilities should be deployed to monitor for suspicious traffic patterns that might indicate exploitation attempts. Additionally, organizations should consider implementing network segmentation to limit the potential impact of successful attacks and establish robust monitoring procedures for detecting unauthorized communication patterns. The vulnerability demonstrates the critical importance of maintaining secure communication channels and proper credential management in enterprise application environments.